ES8705496A1 - Procedimiento para aislar poliarilensulfuros - Google Patents

Procedimiento para aislar poliarilensulfuros

Info

Publication number
ES8705496A1
ES8705496A1 ES546943A ES546943A ES8705496A1 ES 8705496 A1 ES8705496 A1 ES 8705496A1 ES 546943 A ES546943 A ES 546943A ES 546943 A ES546943 A ES 546943A ES 8705496 A1 ES8705496 A1 ES 8705496A1
Authority
ES
Spain
Prior art keywords
arylene sulfides
recovering poly
polyarylene sulphides
recovering
poly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES546943A
Other languages
English (en)
Other versions
ES546943A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES8705496A1 publication Critical patent/ES8705496A1/es
Publication of ES546943A0 publication Critical patent/ES546943A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/02—Polythioethers
    • C08G75/0204—Polyarylenethioethers
    • C08G75/0277—Post-polymerisation treatment
    • C08G75/0281—Recovery or purification

Abstract

METODO PARA LA SEPARACION DE POLIARILENSULFUROS. CONSISTE EN DOSIFICAR LAS POLIARILENSULFUROS EN BRUTO EN UNA MAQUINA DE TORNILLO SIN FIN CALENTADA, A UNA TEMPERATURA COMPRENDIDA ENTRE 50JC Y 250JC, PREFERENTEMENTE CON FUSION SIMULTANEA O POSTERIOR DEL POLIARILENSULFURO, SEGUIDO DE CALENTAMIENTO A TEMPERATURAS COMPRENDIDAS ENTRE 250JC Y 350JC, Y, UNA PRESION ENTRE 1 Y 600 MBARES, PARA ELIMINAR EL AGUA ADHERIDA ASI COMO LOS COMPUESTOS VOLATILES; Y, POR ULTIMO, EXTRUSIONADO Y GRANULACION DE LOS MISMOS.
ES546943A 1984-09-15 1985-09-13 Procedimiento para aislar poliarilensulfuros Expired ES8705496A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843433978 DE3433978A1 (de) 1984-09-15 1984-09-15 Verfahren zur isolierung von polyarylensulfiden

Publications (2)

Publication Number Publication Date
ES8705496A1 true ES8705496A1 (es) 1987-05-01
ES546943A0 ES546943A0 (es) 1987-05-01

Family

ID=6245519

Family Applications (1)

Application Number Title Priority Date Filing Date
ES546943A Expired ES8705496A1 (es) 1984-09-15 1985-09-13 Procedimiento para aislar poliarilensulfuros

Country Status (5)

Country Link
US (1) US4639507A (es)
EP (1) EP0175968B1 (es)
JP (1) JPS6173741A (es)
DE (2) DE3433978A1 (es)
ES (1) ES8705496A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5247063A (en) * 1987-04-24 1993-09-21 Bayer Aktiengesellschaft Process for the purification of polyarylene sulphides
DE3713669A1 (de) * 1987-04-24 1988-11-17 Bayer Ag Verfahren zur reinigung von polyarylensulfiden
JPH01228815A (ja) * 1988-03-09 1989-09-12 Toray Ind Inc ポリフェニレンサルファイド射出成形材料
US5306803A (en) * 1990-06-02 1994-04-26 Bayer Aktiengesellschaft Process for cleaning thermoplasts by friction compacting
US6150498A (en) * 1996-07-12 2000-11-21 The Dow Chemical Company Polymer recovery
JP4159782B2 (ja) * 1999-12-17 2008-10-01 ティコナ ゲゼルシャフト ミット ベシュレンクテル ハフツング 液相から固体を分離するための方法及び装置
JP2002293935A (ja) 2001-03-30 2002-10-09 Petroleum Energy Center ポリアリーレンスルフィド副生塩の焼成方法
US7094867B2 (en) * 2001-12-03 2006-08-22 Kureha Corporation Method of continuously cleansing polyarylene sulfide
DE10163163A1 (de) 2001-12-20 2003-07-03 Basf Ag Verfahren zur Herstellung hochfunktioneller, Hyperverzweigter Polyester durch enzymatische Veresterung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354129A (en) * 1963-11-27 1967-11-21 Phillips Petroleum Co Production of polymers from aromatic compounds
US3451462A (en) * 1966-12-28 1969-06-24 Union Carbide Corp Apparatus for devolatilizing liquid polymer compositions
US3956060A (en) * 1971-12-30 1976-05-11 Phillips Petroleum Company Removal of reaction diluent from poly(arylene sulfide) reaction slurry
US3887529A (en) * 1973-12-20 1975-06-03 Phillips Petroleum Co Preventing plugs in transfer conduits
DE2539102A1 (de) * 1975-09-03 1977-03-17 Basf Ag Verfahren und vorrichtung zum entfernen fluechtiger bestandteile aus kunststoffen
GB1590532A (en) * 1976-08-04 1981-06-03 Exxon Research Engineering Co Elastomer extrusion drying with gas injection
US4508592A (en) * 1976-08-04 1985-04-02 Exxon Research & Engineering Co. Elastomer extrusion drying with gas injection
US4500706A (en) * 1982-08-09 1985-02-19 Phillips Petroleum Company Method of producing extrusion grade poly(arylene sulfide)
US4532310A (en) * 1984-05-29 1985-07-30 Christensen Don C Contacting arylene sulfide polymer with oxygen in extruder by continuous processing

Also Published As

Publication number Publication date
JPH0466262B2 (es) 1992-10-22
EP0175968B1 (de) 1990-12-05
EP0175968A1 (de) 1986-04-02
ES546943A0 (es) 1987-05-01
DE3433978C2 (es) 1991-03-28
DE3580818D1 (de) 1991-01-17
DE3433978A1 (de) 1986-03-27
JPS6173741A (ja) 1986-04-15
US4639507A (en) 1987-01-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990601